health
King of Norway in 'extremely serious' condition as royals gather at hospital
King Harald has been reigning monarch in Norway for decades (Image: Getty Images)

TL;DR
- King Harald of Norway is in an 'extremely serious condition' in hospital.
- He is being treated for haemolytic anaemia, a condition where the immune system attacks red blood cells.
- The Royal Family, including Queen Sonja and Crown Prince Haakon, have gathered at his bedside.
- All royal engagements have been cancelled, and the King's condition has deteriorated.
- King Harald, 89, has had previous health issues, including needing a pacemaker and being hospitalized on holidays.